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Ingénieur Réseau Senior H/F

Guyancourt, IDF, fr💼 Full-time🗓 2026-07-08 → 2026-07-31

Core

Senior Network Engineer responsible for administering, operating, and evolving a global infrastructure connecting 2 datacenters and 200+ offices, ensuring availability and resilience of critical network flows.

Role type

Senior Network Infrastructure Engineer

Builds

Global hybrid network infrastructure (LAN/WAN, Wi-Fi, Virtual Network) for enterprise clients

Domain

IT Infrastructure / Network Engineering

Deliverable

production ML models | product features | dashboards & analysis | research | client delivery | infrastructure | physical/clinical work

Required skills

LAN/WAN architecture design, Fortinet NGFW administration, Cisco Meraki cloud management, Dell PowerSwitch configuration, VMware NSX-T virtual networking, advanced routing protocols (BGP, OSPF), WAN management (MPLS, SD-WAN), network automation scripting (Python, Ansible, Bash), incident troubleshooting, technical documentation

Preferred skills

Fortinet NSE 4/7 certification, Cisco CCNP Enterprise, VMware VCP-NV, AWS Networking Specialty

Technologies

Fortinet (FortiGate, FortiManager, FortiAnalyzer), Cisco Meraki, Dell PowerSwitch, VMware NSX-T, AWS (VPC, Direct Connect, Transit Gateway), Python, Ansible, Bash

Responsibilities

Design and evolve global LAN/WAN architectures, administer and secure Fortinet firewalls, manage Cisco Meraki Wi-Fi and switching fleets, operate VMware NSX-T virtual networks, monitor and resolve network incidents, maintain WAN connectivity with telecom operators, automate configurations and contribute to IT integration projects

Seniority

Senior, hands-on IC

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